Author Question: What is the activation energy? A) the minimum amount of energy to break the bonds in reactants ... (Read 103 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
What is the activation energy?
 
  A) the minimum amount of energy to break the bonds in reactants
  B) the amount of energy required to activate a phase change
  C) the energy difference between the reactants and the products
  D) the amount of energy required to separate reactants from the products
  E) the hill

Question 2

What mass of oxygen (in grams) is produced when 122.6 g of KCI03(formula mass = 122.6 amu) takes part in this reaction?
 
  A) 32.00 grams
  B) 48.00 grams
  C) 96.00 grams
  D) More information is needed.



SeanoH09

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

For a complete list of videos, visit our video library